Today I discovered that one of my servers mysteriously ran out of disk space.
I ran the following Linux command to find all the biggest files and fol...
The most recent version of the Amazon Linux VMI (2015.09.1) seems to install version 2 of Puppet by default.
However, if you need to install Puppet 3...
Today one of my virtual servers suddenly showed up as offline in my New Relic console (Which is an amazing tool and free by the way).
I checked the l...
This guide describes how you can unlink a hard disk from Linux/Unix. This might be useful for instance if you replaced a disk image in Virtual Box or ...
I just spent a fair amount of time setting up MySQL replication between two servers encrypted by SSL (using MySQL 5.1.73).
I struggled with fixing a ...
If you are using Linux, there is simple way to check if a user exists in MySQL:
echo `mysql -u root -p**[your root password]** -e 'use mysql; SELECT ...
PROBLEM
You have a RHEL or CentOS 6 VirtualBox Virtual Machine and a Windows or other host and would like to access a web server on the VM from the H...